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Finding the Third Proportional to 18,238,396 and 28,461,786

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Solution

The third proportional to 18,238,396 and 28,461,786 is: 44,415,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238,396 : 28,461,786 = 28,461,786 : x
  2. Step 2: Convert to fraction form
    18,238,396/28,461,786 = 28,461,786/x
  3. Step 3: Cross multiply
    18,238,396x = 28,461,786 × 28,461,786
  4. Step 4: Simplify right side
    18,238,396x = 810,073,262,309,796
  5. Step 5: Solve for x
    x = 810,073,262,309,796/18,238,396
  6. Step 6: Final answer
    x = 44,415,817.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.